1.

If $\frac{\sqrt{[(1-cosA)]}}{2}$ = x, then the value of x is1). $\frac{(cos A)}{2}$2). $\frac{(tan A)}{2}$3). $\frac{(sin A)}{2}$4). $\frac{(cot A)}{2}$

Answer»

Its very SIMPLE question $\FRAC{(sin A)}{2}$ is the correct answer.



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